Download iOS 10.2.1 (14D27) for iPhone 6s+

You will have to note that you can only restore signed IPSW firmware files using iTunes or 3utools.

❌ This IPSW firmware is not being Signed by Apple

Firmware Identifier iPhone8,2
iOS Version 10.2.1
Release Date 2017-01-23
Update Date 2024-06-03
Sha1sum
3789e2d4ce7788300c494682b9b2d3aef7c7541e
Sha256sum
060cdb4aa7d3d7ade0c9da2edec695b339b9ec903a9815d6356556bf948bf208
md5sum
bb0abb5199bbbada2bb52a0bff2e76d2
Size 2.50 GB
FileName
iPhone_5.5_10.2.1_14D27_Restore.ipsw
Status

Download IPSW (2.50GB) Check device info
Release Notes

It should be noted that these are the official release notes for the from Apple

iOS 10.2.1 includes bug fixes and improves the security of your iPhone or iPad.

It also improves power management during peak workloads to avoid unexpected shutdowns on iPhone.

For information on the security content of Apple software updates, please visit this website:

https://support.apple.com/HT201222